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As Oxford's flagship American dictionary, the New Oxford American Dictionary sets the standard of excellence for lexicography with the most comprehensive and accurate coverage of American English available.

WordNet® is a large lexical database of English with up to 140,000 entries and more than 1.4 million words, developed by the Cognitive Science Laboratory at Princeton University.

Webster's New World College Dictionary combines the most up-to-date information about our language and our world to present a completely revised, updated and expanded reference.

Collins Thai Gem Dictionary offers learners extensive and up-to-date coverage of Thai and English in a compact, portable format. This Thai dictionary is designed for all levels of language learner, whether at home, at school, or at work. It is the ideal text for anyone who needs a wealth of reliable information in a portable format.

Collins Mini Gem English-Danish & Danish-English Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Danish and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem English-Spanish & Spanish-English Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Spanish and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

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Collins Mini Gem Japanese-Thai & Thai-Japanese Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Japanese and Thai of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Korean-Thai & Thai-Korean Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Korean and Thai of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Thai-Croatian & Croatian-Thai Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Thai and Croatian of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Thai-Czech & Czech-Thai Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Thai and Czech of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Thai-Danish & Danish-Thai Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Thai and Danish of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Thai-Greek & Greek-Thai Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Thai and Greek of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Thai-English & English-Thai Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Thai and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Thai-German & German-Thai Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Thai and German of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Thai-French & French-Thai Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Thai and French of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Thai-Italian & Italian-Thai Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Thai and Italian of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Thai-Spanish & Spanish-Thai Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Thai and Spanish of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Thai-Finnish & Finnish-Thai Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Thai and Finnish of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.